Union of human egg and sperm


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Union of human egg and sperm
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Human fertilization is the union of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. The result of this union is the production of a.

This means that the egg is haploid but with sister chromatids still attached to each other. Also unlike sperm, the meiotic division to create eggs, oogenesis, only.

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Description:The spindle captures the chromosomes before they disperse in the egg cytoplasm. Polyspermy results from multiple sperm fertilizing an egg. During this dissolution, a mitotic spindle forms between them. This is why all mitochondria in humans are of maternal origin. This possibility has been investigated by computer simulations of the fertilization process. Upon subsequently undergoing mitosis which includes pulling of chromatids towards centrioles in anaphase the cell gathers genetic material from the male and female together. Gestational age , in contrast, takes the beginning of the last menstrual period LMP as the zero point.

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Views: 8681 Date: 2018-07-11 Favorited: 87 favorites

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Wie wir in Kroatien fern der harmlosen Gruppensex genossen und meine Frau eine besonders grosse Ladung schleimiger zappler durch die Kehle gejagt bekam. Schoen sowas auch einmal erlebt zu haben.
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I enjoyed this video. She did too
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uh oh... hahahaha busted at the end of the video. wonder what happened
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